body{
  display: flex;
  justify-content: center;
}
.container {
  width: 100%;
  /* height: 100px; */
  border: 2px solid red;
  max-width: 1280px;
}
.part{
  width: 100%;
  height: 200px;
  border: 2px solid green;
  padding: 0px 40px;
}